IBASE SI-38N User Manual

Page 28

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EHCI Hand-off

Enabled

+- Change Field

F1: General Help

F2: Previous Values

F3: Optimized Default

F4: Save

ESC: Exit

USB hardware delays and time-outs:

USB Transfer time-out

20 sec

Device reset tine-out

20 sec

Device power-up delay

Auto

Legacy USB Support
Enables Legacy USB support.
AUTO option disables legacy support if no USB devices are connected.
DISABLE option keeps USB devices available only for EFI applications.

USB3.0 Support
Enable/Disable USB3.0 (XHCI) Controller support.

XHCI Hand-off
This is a workaround for OSes without XHCI hand-off support. The XHCI ownership change
should be claimed by XHCI driver.

EHCI Hand-off
Enabled/Disabled. This is a workaround for OSes without EHCI hand-off support. The EHCI
ownership change should be claimed by EHCI driver.

USB Transfer time-out
The time-out value for Control, Bulk, and Interrupt transfers.

Device reset time-out
USB mass Storage device start Unit command time-out.

Device power-up delay
Maximum time the device will take before it properly reports itself to the Host Controller. ‘Auto’
uses default value: for a Root port it is 100ms, for a Hub port the delay is taken from Hub
descriptor.

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